Nissan Pick-ups and Pathfinder 1970-1988

Control Head

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REMOVAL & INSTALLATION



See Figure 1

1970-88 All Series
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the package tray.
  4.  
  5. Tag and disconnect all control cables at the heater assembly and blower motor.
  6.  
  7. Remove the control knob(s) and slide the panel out through the front of the instrument panel.
  8.  
  9. Installation is the reverse of the removal procedure. Check operation of system.
  10.  



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Fig. Fig. 1: Control head assembly - 1980-86 (720D series)

ADJUSTMENT



1970-86 720D Series

See Figures 2, 3 and 4

AIR INTAKE DOOR
  1. Set the air intake lever in the RECIRC position.
  2.  
  3. Clamp the cable while at the same time pushing the sheathing and the door lever in the direction as shown.
  4.  

AIR MIX DOOR/WATER COCK
  1. Set the temperature control lever in the COLD position.
  2.  
  3. Pull the control cable sheathing in the direction shown in the illustration until the clearance between the ends of the rod and water cock lever is approximately 0.08 in. (2mm).
  4.  
  5. Clamp the cable in position.
  6.  



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Fig. Fig. 2: Control cable positioning



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Fig. Fig. 3: Air intake door control adjustment - 1980-86 (720D series)



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Fig. Fig. 4: Air mix door/water cock adjustment - 1980-86 (720D series)

1986-88 D21D Series

See Figures 5, 6, 7, 8, 9 and 10

VENTILATOR DOOR CONTROL ROD
  1. Move the side link as shown in the illustration.
  2.  
  3. Hold the upper and lower doors as shown and then connect the rods to their respective doors.
  4.  

DEFROSTER DOOR CONTROL ROD
  1. Move the side link as shown in the illustration.
  2.  
  3. Connect the rod to the side link to the rod while pushing the door lever as shown.
  4.  

AIR CONTROL CABLE

Push the cable sheathing and side link in the direction illustrated and tighten the clamp.

WATER COCK CONTROL ROD

When adjusting the control rod, disconnect the temperature control cable at the air mix door lever and then adjust air mix door control cable and then the control rod. Reconnect the temperature control cable and then readjust it.

  1. Push the air mix door lever in the direction shown in the illustration.
  2.  
  3. Pull the control rod in the direction shown until there is an 0.08 in. (2mm) clearance between the ends of the rod and link lever. Connect the rod to the door lever.
  4.  

TEMPERATURE CONTROL CABLE

Push the cable sheathing and the air mix door lever in the direction shown and then tighten the clamp.

INTAKE DOOR CABLE

Push the cable sheathing and the intake door lever in the direction shown and then tighten the clamp.



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Fig. Fig. 5: Ventilation door control rod adjustment - 1986-88 (D21D series)



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Fig. Fig. 6: Defroster door control rod adjustment - 1986-88 (D21D series)



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Fig. Fig. 7: Air control cable adjustment - 1986-88 (D21D series)



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Fig. Fig. 8: Water cock control rod adjustment - 1986-88 (D21D series)



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Fig. Fig. 9: Temperature control cable adjustment - 1986-88 (D21D series)



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Fig. Fig. 10: Intake door control adjustment - 1986-88 (D21D series)

 
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